Finding the Fourth Proportional to 12,695.39, 17,519.60 and 7,106.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,695.39 : 17,519.60 = 7,106.39 : x
2. Step 2: Convert to fraction form
   12,695.39/17,519.60 = 7,106.39/x
3. Step 3: Cross multiply
   12,695.39x = 17,519.60 × 7,106.39
4. Step 4: Simplify right side
   12,695.39x = 124,501,184.67
5. Step 5: Solve for x
   x = 124,501,184.67/12,695.39
6. Step 6: Final answer
   x = 9,806.80